M00018088
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ISO DIS 4991 2013 Edition, September 30, 2013 STEEL CASTINGS FOR PRESSURE PURPOSES
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Availability date: 07/14/2021
Description / Abstract:
This International Standard covers steel castings for pressure
containing parts.
It includes materials which are used for the manufacture of
components subject to pressure vessel codes and components not
subject to codes.
This standard relates to castings manufactured from unalloyed
and alloyed steel grades (characterised by their chemical
composition, table 1, and mechanical properties, tables 2 to
5).
NOTE Annex D gives information on ISO grade designation and
available UNS numbers which are similar to the ISO grade
designation.